<nz-modal (nzOnCancel)="handleCancel()"
          (nzOnOk)="handleOk()"
          [(nzVisible)]="isVisible"
          [nzFooter]="null"
          nzTitle="预览"
          nzWidth="80vw">
  <ng-container *nzModalContent>
    <markdown [data]="data" />
  </ng-container>
</nz-modal>
